摘要:
The present invention is related to 1-[(4-chlorophenyl)-phenylmethyl]-4-(2,2,2-trichloroethoxycarbonyl)-piperazine of the Formula (IV) and optically isomers thereof, process for preparation thereof and the use of the compound of the Formula (IV) in the preparation of 1-(4-chlorophenyl)-phenylmethyl-piperazine and optical isomers and salts thereof. 1-(4-chlorophenyl)-phenylmethyl-piperazine and optical isomers thereof are important intermediates in the preparation of non-sedating antihistamine-type active pharmaceutical ingredients.
摘要:
The subject of the present invention is the provision of new salts of duloxetine of the Formula (I) with organic acids, process for their preparation and medicinal products containing thereof. The new salts are essentially free from the impurity of the Formula (II) and possess high purity and high stability. The new duloxetine salts are prepared by reacting duloxetine free base dissolved in an organic solvent with an approximately equimolar amount of an organic acid. Particularly advantageous crystalline salts are those formed with fumaric acid, citric acid or (−)-mandelic acid.
摘要:
The invention relates to 1-{2(S)-[1(S)-(ethoxycarbonyl)butylamino]propionyl}-(3aS,7aS)octahydroindol-2(S)-carboxylic acid of the Formula I and the t-butylamine salt of the Formula I′ thereof free of contaminations derivable from dicyclohexyl carbodiimide, and a process for the preparation thereof.The invention also relates to new intermediates of the general Formula III (wherein R stands for lower alkyl or aryl lower alkyl).The compound of the Formula I—perindopril—is a known ACE inhibitor.
摘要:
The invention relates to novel, pharmaceutically active trisubstituted cycloalkane derivatives, a process for the preparation thereof and pharmaceutical compositions comprising the same. The invention also encompasses the use of the said cycloalkane derivatives for the treatment of diseases and for the preparation of pharmaceutical compositions suitable for the treatment of diseases.The compounds according to the invention are characterized by the general formula (I), ##STR1## wherein R represents hydrogen, C.sub.1-4 alkyl or hydroxyl,R.sup.1 stands for C.sub.1-12 alkyl,R.sup.2 and R.sup.3 each represents hydrogen, C.sub.1-12 alkyl or C.sub.2-12 alkenyl, orR.sup.2 and R.sup.3 together with the adjacent nitrogen atom form a 4- to 7-membered ring optionally comprising an oxygen, sulfur or a further nitrogen atom, which latter may carry a phenyl, benzyl or C.sub.1-4 alkyl substituent,R.sup.4 and R.sup.5 each stands for hydrogen, halogen or C.sub.1-4 alkoxy, or together represent a 3,4-methylenedioxy group,n is an integer from 2 to 5,A represents a valency bond or a --CH.sub.2 -- group.The compounds exert a valuable antiulcer effect, so they can be used to advantage in the therapy.
摘要:
The invention relates to pharmaceutical compositions possessing valuable antianginal activity. These compositions show higher activity and more favorable therapeutic indices than the reference compound Prenylamine. Preparation of different kinds of pharmaceutical compositions, such as tablets, dragees, capsules and injectable solutions, containing compounds of general formula (I) ##STR1## or their acid addition salts as active ingredients, is disclosed, wherein in formula (I)R is phenyl or 4-chlorophenyl;R.sup.1 and R.sup.2 each represent hydrogen, methyl or isopropyl;R.sup.3 and R.sup.4 are hydrogen, or together form a chemical bond;n is an integer from 4 to 6;A means trimethylene, if n is 4 or 6; or ethylene, if n is 5.
摘要:
The present invention relates to new benzo[1,2,3]thiadiazine-1,1-dioxide derivatives of the general Formula (I), medicaments containing such compounds and the use thereof in the medicine. Benzo[1,2,3]thiadiazine-1,1-dioxide derivatives of the general Formula (I) are suitable for the prevention or treatment of the diseases of the central nervous system.
摘要:
The present invention is concerned with new 3,3-disubstituted indol-2-one derivatives of the general Formula (I), wherein R1 stands for hydrogen, halogen, alkyl having 1-7 carbon atom(s) or sulfonamido; R2 represents hydrogen or halogen; R3 denotes hydrogen, alkyl having 1-7 carbon atom(s) optionally carrying an aryl substituent or aryl optionally carrying one or two halogen substituent(s); R4 stands for alkyl having 1-7 carbon atom(s); R5 represents a group of the general Formula (II a) or (II b), wherein Q and W each represents nitrogen or CH; R6, R7 and R8 each stands for hydrogen, halogen, trifluoromethyl, alkyl or alkoxy having 1-7 carbon atom(s), or R6 and R7 together represent ethylenedioxy; m is 0, 1, or 2; a is a single, double or triple bond; n is 0, 1 or 2; and pharmaceutically acceptable acid addition salts thereof which are useful in the treatment or prophylaxis of diseases of the central nervous system, the gastrointestinal system and the cardiovascular system.
摘要翻译:本发明涉及通式(I)的新的3,3-二取代吲哚-2-酮衍生物,其中R 1代表氢,卤素,具有1-7个碳原子的烷基( s)或磺酰胺基; R 2表示氢或卤素; R 3表示氢,具有1-7个碳原子的烷基,任选地带有芳基取代基或任选地带有一个或两个卤素取代基的芳基; R 4代表具有1-7个碳原子的烷基; R 5表示通式(IIa)或(IIb)的基团,其中Q和W各自表示氮或CH; R 6,R 7和R 8均代表氢,卤素,三氟甲基,具有1-7个碳原子的烷基或烷氧基, ,或R 6和R 7一起代表亚乙二氧基; m为0,1或2; a是单,双或三键; n为0,1或2; 和其药学上可接受的酸加成盐,其可用于治疗或预防中枢神经系统疾病,胃肠系统和心血管系统。
摘要:
The present invention is concerned with new indol-2-one derivatives of the general Formula (I). The new compounds are useful for the treatment or prevention of the disorders of the central nervous system or the cardiovascular system.
摘要:
The invention refers to pharmaceutical compositions for the prevention and/or treatment of gastrointestinal diseases connected with infections caused by Helicobacter pylori and a method for the treatment of such diseases.The pharmaceutical composition of the invention comprises as active ingredient a cyclic ketone derivative of the formula I ##STR1## wherein and R.sup.1 mean independently hydrogen or halo;R.sup.0 stands for hydrogen or a C.sub.1-4 alkoxy group;R.sup.2 and R.sup.3 independently represent hydrogen; a straight or branched chain C.sub.1-8 alkyl optionally substituted by a dimethylamino group; a C.sub.2-6 alkenyl or a C.sub.3-7 cycloalkyl group; orR.sup.2 and R.sup.3 together with the adjacent nitrogen atom form a 6-membered heterocyclic group containing an additional nitrogen atom that may bear a phenyl group optionally substituted by a C.sub.1-4 alkoxy group;or its stereoisomer or optical isomer or a possible mixture thereof, or a pharmaceutically acceptable acid addition salt or quaternary ammonium salt thereof in admixture with carrier(s) commonly used in pharmaceutical compositions.
摘要:
Novel basic ether of general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, halogen or C.sub.1-4 alkoxy, or together they represent a 3,4-methylenedioxy group,R stands for C.sub.1-8 alkyl,R.sup.3 represents hydrogen, C.sub.1-4 alkyl or hydroxy,A is a valency bond or methylene group,R.sup.4 and R.sup.5 are independently hydrogen, C.sub.1-12 alkyl or C.sub.1-12 alkenyl, orR.sup.4 and R.sup.5 form together with the adjacent nitrogen atom 1-pyrrolidinyl, 1-piperidinyl, morpholino or 1-piperazinyl groups, stereo and optically active isomers and their possible mixtures, acid-addition salts and quaternary ammonium derivatives thereof. The basic ethers have antiulceric and anxiolytic activities.